schema.graphql

type Account @entity {
	id:                           ID!
	balances:                     [Balance!]! @derivedFrom(field: "account")
	transfersOperator:            [Transfer!]! @derivedFrom(field: "operator")
	transfersFrom:                [Transfer!]! @derivedFrom(field: "from")
	transfersTo:                  [Transfer!]! @derivedFrom(field: "to")
	approvalsOwner:               [Approval!]! @derivedFrom(field: "owner")
	approvalsSpender:             [Approval!]! @derivedFrom(field: "spender")
}

type TokenRegistry @entity {
	id:                           ID!
	tokens:                       [Token!]! @derivedFrom(field: "registry")
}

type Token @entity {
	id:                           ID!
	registry:                     TokenRegistry!
	identifier:                   BigInt!
	URI:                          String
	totalSupply:                  BigInt!
	balances:                     [Balance!]! @derivedFrom(field: "token")
	transfers:                    [Transfer!]! @derivedFrom(field: "token")
	approvals:                    [Approval!]! @derivedFrom(field: "token")
}

type Balance @entity {
	id:                           ID!
	token:                        Token!
	account:                      Account!
	registry:                     TokenRegistry!
	value:                        BigInt!
	transfersFrom:                [Transfer!]! @derivedFrom(field: "fromBalance")
	transfersTo:                  [Transfer!]! @derivedFrom(field: "toBalance")
}

type Transfer implements Event @entity {
	id:                           ID!
	transaction:                  Transaction!
	timestamp:                    BigInt!
	token:                        Token!
	operator:                     Account!
	from:                         Account!
	fromBalance:                  Balance
	to:                           Account!
	toBalance:                    Balance
	value:                        BigInt!
}

type Approval implements Event @entity {
	id:                           ID!
	transaction:                  Transaction!
	timestamp:                    BigInt!
	token:                        Token!
	owner:                        Account!
	spender:                      Account!
	value:                        BigInt!
}

type DecimalValue @entity {
	id:                           ID!
	value:                        BigDecimal!
	exact:                        BigInt!
	decimals:                     Int!
}

interface Event {
	id:                           ID!
	transaction:                  Transaction!
	timestamp:                    BigInt!
}

type Transaction @entity {
	id:                           ID!
	timestamp:                    BigInt!
	blockNumber:                  BigInt!
	events:                       [Event!]! @derivedFrom(field: "transaction")
}

type PersistentStringArray @entity {
	id:                           ID!
	values:                       [String!]!
}

type PersistentString @entity {
	id:                           ID!
	value:                        String!
}